| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 37900 | 34059 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 16 03:03 | 2024 Dec 22 20:43 |
| Time of closest approach (UTC) | 2024 Dec 25 05:05:43.532 |
| Minimum distance | 4.387 km |
| Height difference | 1.375 km |
| Relative speed | 15.046 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 10.7°N, 136.0°E |
| Height | 736 km |
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